Technical Specifications
For the delivery of video packages and footage to the News Department in the Danish Broadcast Corporation (DR)
DR News broadcasts in High Definition 1080i/50 16:9 aspect ratio. Program audio is normally in mono, but stereo is possible.
File formats
The production and archiving format used at DR News is XDCAM HD422 as MXF OP1a files.
| Video Compression: Frame rate: Scan Mode: Aspect Ratio: Dimensions: |
XDCAM HD 422 50mbps 25fps Interlaced, Top Field First 16:9 1080x1920 |
| Audio Format: Channels: Rate: Sample Size: |
WAV, Linear PCM Up to 8 channels 48 kHz 16 bits |
Audio in packages should always be delivered at least in four channels with the final mix on channel 1+2 whilst the mix minus voice-over is in channel 3+4.
Sampling rate is 48 khz in 16 bit and peak level may not exceed -12 dBu.
Packages in stereo must to be delivered at least with four channels: Final mix on channel 1+2 (L+R) and mix minus voice-over on channel 3+4.
File transfer via internet
Video and audio files may be compressed when transferring via internet. We use H.264 in variable bit rate (VBR) with embedded audio. But MPG files with embedded audio are also accepted. M2V with seperate AC3 audio files from Final Cut are also possible for us to use.
Acceptable VBR settings are:
| Video Bit Rate Peak: Average: |
12 Mbps 10 Mbps |
| Audio Format: Channels: Rate: Audio Quality: |
ACC 5.1 48 KHz High |
It is allowed to use lower VBR settings if your internet connection is poor or if you are close to the deadline.
Other file formats
It is possible for us to use other file formats but it is recommended to transfer a 10 second test file with recordings of moving objects before you decide which format to use.
For updated information at DR: Technical_specifications__digital_transfer.pdf
